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Commit b33c4cfd authored by wlott's avatar wlott
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Fixed nlx-entry-multiple to be able to deal with result tns that are

on the control-stack.
parent 76709385
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......@@ -7,7 +7,7 @@
;;; Scott Fahlman (FAHLMAN@CMUC).
;;; **********************************************************************
;;;
;;; $Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/nlx.lisp,v 1.11 1990/06/26 03:49:44 wlott Exp $
;;; $Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/nlx.lisp,v 1.12 1990/09/06 17:45:20 wlott Exp $
;;;
;;; This file contains the definitions of VOPs used for non-local exit
;;; (throw, lexical exit, etc.)
......@@ -246,42 +246,46 @@
(define-vop (nlx-entry-multiple)
(:args (top :target dst)
(start :target src)
(count :target num))
(:results (new-start) (new-count))
(:args (top :target dst) (start :target src) (count :target num))
;; Again, no SC restrictions for the args, 'cause the loading would
;; happen before the entry label.
(:info label)
(:temporary (:scs (any-reg) :type fixnum :from (:argument 0)) dst)
(:temporary (:scs (any-reg) :type fixnum :from (:argument 1)) src)
(:temporary (:scs (any-reg) :type fixnum :from (:argument 2)) num)
(:temporary (:scs (any-reg) :from (:argument 0)) dst)
(:temporary (:scs (any-reg) :from (:argument 1)) src)
(:temporary (:scs (any-reg) :from (:argument 2)) num)
(:temporary (:scs (descriptor-reg)) temp)
(:results (new-start) (new-count))
(:save-p :force-to-stack)
(:generator 30
(emit-return-pc label)
(let ((loop (gen-label))
(done (gen-label)))
;; Copy args.
(load-stack-tn dst top)
(move src start)
(move num count)
;; Establish results.
(move new-start dst)
(sc-case new-start
(any-reg (move new-start dst))
(control-stack (store-stack-tn new-start dst)))
(inst beq num zero-tn done)
(move new-count num t)
(sc-case new-count
(any-reg (inst move new-count num))
(control-stack (store-stack-tn new-count num)))
;; Copy stuff on stack.
(emit-label loop)
(loadw temp src)
(inst addu src src (fixnum 1))
(inst addu src src vm:word-bytes)
(storew temp dst)
(inst addu num num (fixnum -1))
(inst bne num zero-tn loop)
(inst addu dst dst (fixnum 1))
(inst addu dst dst vm:word-bytes)
(emit-label done)
(move csp-tn dst))))
(inst move csp-tn dst))))
;;; This VOP is just to force the TNs used in the cleanup onto the stack.
......
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